Take a look at how to cancel radio frequency interference. Here is an ANC-4 demonstration video. Read more
Category: Radio Frequency Interference
Noise Antenna to Reduce Nearby RFI
Get the noise antenna right, and the noise canceller will do its job. It’s simpler than you think. Read more
Noise Cancellers – Essential Resource for Radio Listeners
Noise cancellers are an essential resource for HF radio listening. No longer a last resort as the noise floor becomes worse and worse. Read more
Local RFI Signal Content – Four Basic Types
Let’s consider the four basic types of local RFI signal content. We will see when and where a noise canceler can make a critical difference to your radio listening. Read more
Local RFI – Taming Neighborhood Noise
Every ham or shortwave listener struggles with local RFI. This article kicks off a new series on how to use noise cancelers and get your spectrum back. Read more
RFI Birdies in my Radio
Birds are nice to have in your neighborhood but not in your radio. Computer monitors and network gear are a frequent source of RFI birdies. Read more
LED Bulbs and RFI – My First Experience
Governments everywhere are pushing adoption of LED bulbs. Great idea, but will they cause radio frequency interference? Let’s find out. Read more
Transmitting Power Through Soil – Fact or Fancy?
A recent article in the Calgary Herald described transmitting power through soil. Apparently, researchers at the University of Alberta have managed to send low-voltage electricity safely through the earth. Read more
Noise Floor Regulation May Be Possible
The world’s leading radio spectrum regulator may finally be taking the noise floor seriously.
Ham Radio TVI in the 21st Century
Ham radio transmissions can interfere with television reception. This is called television interference, or ham radio TVI. Consumer adoption of cable television has significantly reduced ham radio TVI. But the introduction of IPTV, or television over phone systems, has brought ham radio TVI back, often with a vengeance. Here’s why.